package com.sunfeng.netty.atguigu.codec3;


import io.netty.bootstrap.Bootstrap;

import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;

import io.netty.handler.codec.serialization.ClassResolvers;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;


/**
 * JAVA 序列化实现数据传输 客户端
 * @author sunfeng
 * @date 2021/05/19 15:08
 **/
public class SubReqClient {
    public void connect(String host, int port) throws InterruptedException {

        NioEventLoopGroup group = new NioEventLoopGroup();

        try {
            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(group)
                    .channel(NioSocketChannel.class)
                    .option(ChannelOption.TCP_NODELAY, true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception {
                            ChannelPipeline pipeline = ch.pipeline();
                            pipeline.addLast(new ObjectDecoder(1024*1024, ClassResolvers.cacheDisabled(this.getClass().getClassLoader())));
                            pipeline.addLast(new ObjectEncoder());
                            pipeline.addLast(new SubReqClientHandler());
                        }
                    });
            ChannelFuture channelFuture = bootstrap.connect(host, port).sync();
            channelFuture.channel().closeFuture().sync();

        } finally {
            group.shutdownGracefully();
        }

    }

    public static void main(String[] args) throws InterruptedException {
        new SubReqClient().connect("127.0.0.1",18888);
    }
}
